The Darwin–Bateman paradigm recognizes competition among males for access to multiple
mates as the main driver of sexual selection. Increasingly, however, females are also being …

Three strikingly different alternative male mating morphs (aggressive'independents',
semicooperative'satellites' and female-mimic'faeders') coexist as a balanced polymorphism …

Males and females often exhibit different behaviours during mate acquisition, pair‐bonding
and parenting, and a convenient label to characterize these behaviours is sex role. The …

Effective camouflage renders a target indistinguishable from irrelevant background objects.
Two interrelated but logically distinct mechanisms for this are background pattern matching …

Research conducted in the last fifteen years has placed in question many of the traditional
conclusions scholars have formed about human female sexuality. Though conventional …

In the few species of birds in which males form display partnerships to attract females, one
male secures most or all of the copulations,. This leads to the question of why subordinate …

In 1948, Angus Bateman published a paper on fruit flies that tested Charles Darwin's ideas
of sexual selection. Based on this one fruit fly study, Bateman concluded that because males …

Bateman's principles, their corollaries and predictions constitute a paradigm for the study of
sexual selection theory, evolution of mating systems, parental investment theory, and sexual …

Genetic diversity in species is often high in spite of directional selection or strong genetic
drift. One resolution to this paradox may be through fitness benefits arising from interactions …

Evolutionary biologists strive to understand the immense variation in animals' breeding
systems. Shorebirds represent an ideal model system for this endeavor, because they …